車頭時距 的英文怎麼說
中文拼音 [jūtóushíjù]
車頭時距
英文
time headway-
And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測，設計了根據駕駛員感受度來衡量超車過程的實驗方案，並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值，為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時，還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案，統一了計算加速度干擾的時間統計間隔，為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。The time headway distribution of the simulation system based on this model can be tuned by two simple parameters, so it can accord with different time headway distribution rule in condition of practical unsaturated traffic
基於該模型建立的模擬系統，憑借兩個簡單的參數來調節不同車速的期望車頭間距，使車頭時距分佈規律符合交通未飽和時車頭時距的具體分佈情況。This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained
本論文針對平面信號控制交叉口的延誤問題進行了分析，在實測數據分析的基礎上，探討了車輛到達過程和離開過程的運行特性，給出信號交叉口排隊離散車頭時距分佈模型，提出飽和流率的測量應從第六個離開的排隊車輛算起；運用隨機過程理論和計算機模擬的方法得到了信號交叉口排隊長度分佈模型，在此基礎上運用協調變換的方法改進了車輛延誤模型。Signal priority to brt vehicles at a signalized intersection according to their headways
基於車頭時距的快速公交車輛交叉口信號優先In theoretical study, through analyzing operational characteristics of traffic flow in roundabout and studying the acceptable gap influence on delay and different arrival distributions effect to the capacity, the paper brings forward the experiment methods to study the capacity of roundabout by using the simulation technology
在理論研究方面，就環形交叉口交通流運行特性進行了分析，並深入地研究了可接受間隙對延誤的影響以及車頭時距分佈對通行能力的影響，提出了利用模擬技術研究環形交叉口通行能力的實驗方法。The model assumes that every vehicle tends to keep expected time - headway and each vehicle synchronously updates its velocity by estimating the velocity of the head vehicle, the distance headway and the probability of random slowdown
該模型假定行駛車輛都趨向于保持一個期望的車頭時距，通過對前車速度和車頭間距的估計，並考慮隨機減速的影響對車速進行同步更新。What he doesnt realize is that it is filled with ammunition. the thing explodes, he doesnt have enough time, hes traveling at 300 miles an hour, doesnt have time to do anything and he goes right through the explosion. he ducks and says the only thing i can do is duck and it saved his life, it took the canopy right off of the plane
他距離火車一千尺時急降和發射，誰知火車里放滿彈藥，那麼它爆炸了那時他以時速三百哩飛行，他來不及逃命，唯有直飛越爆炸堆他說他只有低頭彎身才避免喪命，飛機的頂蓬也炸毀了Based on the comprehensive analysis of the road traffic flow ' s characteristics due to the bus stop without bus bay, the multivariate linear models of the speed and the headway are formed with the variables of the stop frequency, the stop time, the overall length of the stop and its reserve time of the bus and the vehicle flow applying the software of excel, and then the strict mathematical checks are made
文章首先比較全面地分析非港灣式公交停車影響下道路交通流特徵，然後藉助于excel軟體，構建關于公交停車頻率、公交停車時間、最大公交停車長度及其存在時間、道路流量的車速和車頭時距多元線性模型，並進行了嚴格的數學檢驗。Reflective material can be seen in headlights from up to three times the distance of ordinary clothes ; fluorescent material is highly conspicuous in daylight and at dusk but is of little use in the dark. out and about
反光衣服在車頭燈照射下和普通衣服比較，在遠至三倍的距離，駕駛人仍能看見至於螢光布料，在白天及黃昏時雖然顯而易見，在漆黑環境下卻不大有用。The research provides important reference for analyzing the segment traffic flow reasonably and computing the speed and the headway exactly
該研究為合理分析路段交通流狀況、正確計算區間行駛車速與車頭時距提供了依據。A variable time - headway car following model was presented based on time - headway distributing rule in actual traffic and one dimensional cellular automaton modeling theory
摘要依據不間斷車流的車頭時距分佈規律和一維元胞自動機建模理論，提出了一種可變時距跟車模型。The second part mainly reviewed the study history, actualities and existinbg problem. this is helpful for the model building, variables selecting and parameter estimating, hi the third part, the arrival process and serve process are studied based on the survey data, especially the delay process is mainly analyzed including the dispersion vehicle headway time distribution
第三部分則根據實測數據，對交叉口車輛的到達過程和服務過程作了詳細的分析，特別分析了車輛的受阻過程，並用對數正態分佈擬合排隊車頭時距的分佈，為模型的建立和車輛延誤過程的模擬奠定了基礎。The results indicate that this method can minish settlement largely, decrease level thrusts on bridge abutment, make the settlements transition, improve the bearing capacity of foundation soil and its economic benefits are notable. the results of field test show that low intensity piles can put into widely use in soft foundation of express way
研究結果表明，採用低強度樁復合地基加固橋頭軟基時，可以採用變樁長、變間距的設計思想，使沉降逐漸過渡，減輕橋頭跳車的危害，並且還可以減小沉降和深層土體水平位移，減小對橋臺及其樁基的水平推力，提高地基承載力。This model indicated that minimal headway is quadratic function of the following vehicle speed as the following vehicle speed reduces ; rear - end collision will happen, when actual headway is less than certain value
追尾模型表明：最小車頭距離是后車速度的二次函數，隨后車速度急劇縮小；當實際車頭距離小於該值時，則會發生追尾事件。Through numerical simulation, the effect of distance between two stations, original deformation and young ' s modulus of soil on the regularity of station displacement is studied and some available conclusions are achieved
通過數值模擬分析，研究了張楊路地鐵車站基坑開挖時新舊兩車站間距、源頭變形、土體彈性模量三個因素對在運營車站變形的影響，從而得到一些有用的結論。分享友人